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dlm: config: using strlcpy instead of strncpy

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for NUL terminated string, need alway set '\0' in the end.

Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Zhao Hongjiang 2013-06-20 18:59:51 +08:00 • committed by David Teigland
parent 06452eb053
commit ad917e7f82
1 changed files with 3 additions and 2 deletions
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5
fs/dlm/config.c
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@ -138,8 +138,9 @@ static ssize_t cluster_cluster_name_read(struct dlm_cluster *cl, char *buf)
static ssize_t cluster_cluster_name_write(struct dlm_cluster *cl, static ssize_t cluster_cluster_name_write(struct dlm_cluster *cl,
const char *buf, size_t len) const char *buf, size_t len)
{ {
strncpy(dlm_config.ci_cluster_name, buf, DLM_LOCKSPACE_LEN); strlcpy(dlm_config.ci_cluster_name, buf,
strncpy(cl->cl_cluster_name, buf, DLM_LOCKSPACE_LEN); sizeof(dlm_config.ci_cluster_name));
strlcpy(cl->cl_cluster_name, buf, sizeof(cl->cl_cluster_name));
return len; return len;
} }